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nearshore marine forecast
national weather service buffalo ny
1003 pm edt thu jun 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz045-190900-
mexico bay to the saint lawrence river along lake ontario-
1003 pm edt thu jun 18 2026

...small craft advisory in effect through late saturday night...

.rest of tonight...west winds to 30 knots diminishing to 15 to
25 knots. mostly cloudy. waves 8 to 11 feet subsiding to 6 to
9 feet. waves occasionally around 14 feet. 
.friday...west winds 15 to 25 knots. mostly sunny. waves 5 to
8 feet. waves occasionally around 10 feet. 
.friday night...west winds 15 to 25 knots. a chance of showers.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.saturday...west winds 15 to 20 knots. a chance of showers and
thunderstorms in the afternoon. waves 4 to 7 feet subsiding to
3 to 6 feet. waves occasionally around 9 feet. 
.saturday night...west winds 15 to 20 knots diminishing to 5 to
10 knots. a chance of showers and thunderstorms in the evening,
then a chance of showers overnight. waves 3 to 5 feet subsiding
to 1 to 3 feet. waves occasionally around 6 feet. 
.sunday...west winds 10 knots or less becoming south. a chance of
showers. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots becoming north. showers
likely with a chance of thunderstorms. waves 1 foot or less. 
.tuesday...northwest winds 5 to 10 knots becoming west. a chance
of showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$